اسئلة واجوبة لسنوات سابقة
  أستــاذ المــادة  احمد محمد حسين الغزالي
  تـاريـخ النشــر   09/01/2017
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اسئلة امتحان المد الاول

Q1// ANSWER THE FOLLOING QUESTIONS                                                                                 .

1-            Calculate the addition of the two numbers +28 and (- 29) which are represented using 6 bits, base 2 in the 2’s complement format.                                                                                                                                                                                                            (3 MARKS)


2-            Represent the decimal values (26), (-123) as signed, 7-bit numbers using each of the following binary formats:                        (3 MARKS)

a.   Signed and magnitude.

b.  1 s complement.

c.    2 s complement.

 

3-            What are the main advantages of the 2’s complement representation over the 1’s complement and sign/magnitude?              (2 MARKS)

 

4-            CPU operations can be divided into four basic steps, enumerate and explain each step briefly.                                                (4 MARKS)


Q2// CHOOSE THE CORRECT ANSWER   FOR ONLY FIVE                                     (5 MARKS)

1-            Computer --------- deals with structural relationships that are not visible to the programmer, such as interfaces to peripheral devices and the technology used for the memory.

a.    Architecture            b. Organization            c. Implementer’s view              d. Memory unit

2-            In ASCII the letter K is associated with the equivalent ----------------in the binary system.

a.     0100-0011                  b. 0101-1010                  c. 1001-0011                          d. 0100-1011

3-            When we say 128-Megabyte (MB) memory, we mean -------------------- bytes.

a. 128×220                         b. 128×210                      c. 12.8×220                              d. 128×230

4-            In the ----------------- generation the Programmers stopped programming in machine language and assembly language and began to use FORTRAN, COBOL and BASIC.

a.    First                             b. Second                       c. Third                                 d. Fourth

5-            Computer -------------- is the electronic circuitry that performs the actual work.

a.    CPU                            b. Software                    c. Hardware                          d. ALU

6-            The binary number (101010) in  2’s Complement is associated with the equivalent ----------- in the decimal system.

a.      (-18)                         b. (- 22)                          c. (-24)                                 d. (-20).




م.م. احمد محمد حسين
استاذ المادة